Michi has a balance of $1500 on a credit card with an APR of 18.7%, compounded monthly. About how much will she save in interest over the course of a year if she
transfers her balance to a credit card with an APR of 9.3%, compounded monthly?
(Assume that Michi will make no payments or new purchases during the year, and ignore
any possible late-payment fees.)
A. $145.60
B. $160.23
C. $305.83
D. $451.43

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?